The order of the Grey Knights brings together the most powerful of all Inquisition warriors and all the Imperium. Grey Knights chapter is destined to exterminate all forms heresy in the galaxy, a force capable to opposing the most monstrous creatures and demons from the Warp. Space Marines Grey Knights dedicate their life and soul to this task undergoing hundreds of physical and mental tests in their selection ruthless and the candidates failing tests or rituals do not survive. Only the most loyal and the most fanatical of these candidates may claim the Terminator silver armor and grabbing a Nemesis force weapon, in recognition of the facts, the most glorious face the demons of the warp. Acting, regardless of the consequences for them and for the people, no one should know their existence.